Replace header guards by #pragma once

[jctophefabre]

Possible script for automatic replacing

#!/usr/bin/env python3

import os
import re
import sys

assert sys.version_info >= (3, 5)


#######################################################


def process_file(filepath):

    print("** processing file {}".format(filepath))

    content = open(filepath,'r').read()
    lines = content.split('\n')

    newlines = list()

    for line in lines:
        res = re.search(r"#ifndef __OPENFLUID_.*_HPP__",line)
        if res:
            #print("Remove line : {}".format(line))
            pass
        else:
            res = re.search(r"#define __OPENFLUID_.*_HPP__",line)
            if res:
                #print("Replace line : {}".format(line))
                newlines.append("#pragma once")
            else:
                res = re.search(r"#endif .+ __OPENFLUID_.*_HPP__.+",line)
                if res:
                    #print("Remove line : {}".format(line))
                    pass
                else:
                    newlines.append(line)    

    #print("\n".join(newlines))
    open(filepath,'w').write("\n".join(newlines))



#######################################################


paths_to_explore = ["src"]
files_to_process = list()

for path in paths_to_explore:
    print(path)
    for dirname, dirnames, filenames in os.walk(path):
        for filename in filenames:
            filepath = os.path.join(dirname,filename)
            if os.path.isfile(filepath) and (filepath.endswith(".hpp") or filepath.endswith(".hpp.in")):
                files_to_process.append(filepath)


for file in files_to_process:
    process_file(file)